The following table sets forth the computation of basic and diluted net income per share of Class A and Class B common stock (in millions, except share amounts which are reflected in thousands and per share amounts):


	Year Ended December 31,
	2009						2010					2011
	Class A			Class B			Class A		Class B			Class A		Class B
Basic net income per share:
Numerator
Allocation of undistributed earnings	$	4,981		$	1,539		$	6,569	$	1,936		$	7,658	$	2,079
Denominator
Weighted-average common shares outstanding		241,575			74,651			246,168		72,534			253,862		68,916
Less: Weighted-average unvested common shares subject to repurchase or cancellation		(5	)		0			0		0			0		0

Number of shares used in per share computation		241,570			74,651			246,168		72,534			253,862		68,916

Basic net income per share	$	20.62		$	20.62		$	26.69	$	26.69		$	30.17	$	30.17

Diluted net income per share:
Numerator
Allocation of undistributed earnings for basic computation	$	4,981		$	1,539		$	6,569	$	1,936		$	7,658	$	2,079
Reallocation of undistributed earnings as a result of conversion of Class B to Class A shares		1,539			0			1,936		0			2,079		0
Reallocation of undistributed earnings to Class B shares		0			(13	)		0		(26	)		0		(27	)

Allocation of undistributed earnings	$	6,520		$	1,526		$	8,505	$	1,910		$	9,737	$	2,052

Denominator
Number of shares used in basic computation		241,570			74,651			246,168		72,534			253,862		68,916
Weighted-average effect of dilutive securities
Add:
Conversion of Class B to Class A common shares outstanding		74,651			0			72,534		0			68,916		0
Unvested common shares subject to repurchase or cancellation		5			0			0		0			0		0
Employee stock options, including warrants issued under Transferable Stock Option program		2,569			114			3,410		71			2,958		46
Restricted shares and RSUs		621			0			1,139		0			1,478		0

Number of shares used in per share computation		319,416			74,765			323,251		72,605			327,214		68,962

Diluted net income per share	$	20.41		$	20.41		$	26.31	$	26.31		$	29.76	$	29.76